Visqueen Gas Vent Bollard (VT023A stainless steel) is a 110mm diameter stainless steel vent bollard with a total height of 1400mm of which between 800mm - 900mm is positioned above external ground level. The vent bollard provides a free air flow capacity of 25000mm². Visqueen Gas Vent Bollard (VT023C plastic) is a 110mm diameter plastic vent bollard with a total height of 1400mm of which between 800mm - 900mm is positioned above external ground level. The vent bollard provides a free air flow capacity of 13200mm².

Features & Benefits

• Used for all ground gas venting applications including volatile organic compounds (VOCs)
• Aesthetic finish - rust proof
• High free air flow capacity - reduces number of units required
• Slotted venting design - eliminates need for a sub-base soakaway